From: Khurram Noor (engr.khurramnoor@googlemail.com)
Date: Sat Mar 21 2009 - 04:25:30 ART
Hello everyone!
A question is keeps teasing me everytime when i configure trunks. As we all
know all 3550 can negotiate trunks by default so if i have to configure
etherchannel over two to three links between two (3550-3550 or 3550-3560)
switches and there is a requirement that the switches should negotiate
etherchannel using either PagP or LacP, what should be the best practice?
1. Should i hard code switchports the mode of trunk and then perform
etherchannel negotiations between them.
2. Or both trunking and etherchannel can be negotiated one after another.
I tried to do both negotiations together in my home lab and found strange
behaviour or etherchannel. sometimes it gets negotiated correctly and
sometimes it doesn't.
**
*Khurram Noor*
*CCIP,CCNA*
Blogs and organic groups at http://www.ccie.net
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